Spade drill bit



FIG. 1 is a top, front, right side perspective view of a spade drill bit showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a front view thereof;

FIG. 7 is a rear view thereof;

FIG. 8 is an enlarged, sectioned portion highlighted in FIG. 1;

FIG. 9 is an enlarged, sectioned portion highlighted in FIG. 2;

FIG. 10 is a left side view of the enlarged section portion as seen in FIG. 3;

FIG. 11 is a bottom view of the enlarged section portion as seen in FIG. 4;

FIG. 12 is a right side view of the enlarged section portion as seen in FIG. 5;

FIG. 13 is a front view of the enlarged section portion as seen in FIG. 6; and,

FIG. 14 is a rear view of the enlarged section portion as seen in FIG. 7.

The broken lines in the drawings depict portions of the spade drill bit that form no part of the claimed design.

The “dash-dot” broken lines represent the boundaries of the enlarged sectioned portions of the claimed design, and form no part thereof. 

CLAIM We claim the ornamental design for the spade drill bit, as illustrated and described. 